<!-- 城市信息管理 -->
<template>
  <el-container>
    <!-- 头部区域 -->
    <el-header height="76px">
      <h2>城市信息管理</h2>
      <!-- 面包屑导航区域 -->
      <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>城市信息管理</el-breadcrumb-item>
      </el-breadcrumb>
    </el-header>
    <!-- 主体内容区域 -->
    <el-main>
      <!--header -->
      <div class="main-title">
        <h3>城市列表</h3>
        <el-button
          type="primary"
          class="new-add"
          size="medium"
          @click="addFormVisible = true"
          v-if="hasRole"
          >新增</el-button
        >
      </div>
      <!-- 搜索 -->
      <el-row :gutter="20">
        <el-col :span="23" class="search-col">
          <keep-alive>
            <el-input
              placeholder="查询（输入要查询的城市或省份）"
              size="small"
              v-model="keyword"
              @input="handelQuery"
            >
            </el-input>
          </keep-alive>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-table
        height="350"
        stripe
        :default-sort="{ prop: 'date', order: 'descending' }"
        :data="tableData.list"
        highlight-current-row
      >
        <el-table-column prop="cityNumber" label="城市编号" sortable />
        <el-table-column prop="province" label="所属省" />
        <el-table-column prop="city" label="城市名称" />
        <el-table-column prop="cityOperation" label="操作" v-if="hasRole">
          <!-- 通过slot-scope拿到对应行的数据 -->
          <template slot-scope="scope">
            <el-button
              type="danger"
              size="medium"
              @click="handleDeletecity(scope.row.cityId, scope.row.city)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <div class="pagination" style="margin-top: 20px">
        <pagination
          :current-page.sync="currentPage"
          :layout="'total,prev,pager,next,jumper'"
          :total="tableData.total"
          :page-size.sync="pageSize"
          @currentChange="handleCurrentChange($event)"
          @update:page="currentPage = $event"
        ></pagination>
      </div>
    </el-main>
    <!-- 点击新增后的弹窗 -->
    <el-dialog
      title="新增城市"
      :visible.sync="addFormVisible"
      :modal-append-to-body="false"
      @close="handleAddClose"
    >
      <el-form :model="addForm" hide-required-asterisk ref="addForm">
        <el-form-item
          label="城市名称"
          :label-width="formLabelWidth"
          prop="cityNumber"
          :rules="rules.requiredRules"
        >
          <el-cascader
            size="large"
            :options="options"
            v-model="addForm.cityNumber"
          >
          </el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="addFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="handleAddcity('addForm')"
          >确 定</el-button
        >
      </div>
    </el-dialog>
  </el-container>
</template>
  
  <script>
  import Pagination from "../../components/Pagination";
  import { mapGetters } from "vuex";
  import rules from "../../utils/validator";
  import { provinceAndCityData } from "element-china-area-data";

  export default {
    name: "CityManage",
    components: {
      Pagination,
    },
    data() {
      return {
        currentPage: 1,
        pageSize: 5, // 每页的数据条数
        keywordDefault: "",
        addFormVisible: false, // 控制新增城市页面的显示
        addForm: {
          cityNumber: [],
        },
        formLabelWidth: "110px", //表单 label 的宽度
        rules, // 封装好的表单验证
        options: provinceAndCityData, //element-china-area-data组件
      };
    },
    methods: {
      // 切换分页及首次进入获取数据
      getCityInfo() {
        this.$store.dispatch("cityInfoManage/getCityInfo", {
          pn: this.currentPage,
          size: this.pageSize,
        });
      },
      //当前页改变时触发,跳转其他页
      handleCurrentChange(event) {
        this.currentPage = event.page;
        if (this.keyword.length) {
          this.handelQuery(this.keyword);
        } else {
          this.getCityInfo();
        }
      },
      // 通过关键字查询数据
      handelQuery(keyword) {
        this.$store.dispatch("cityInfoManage/getCityInfo", {
          pn: this.currentPage,
          size: this.pageSize,
          keyword,
        });
      },

      //新增城市
      handleAddcity(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            this.addFormVisible = false;
            this.$store.dispatch("cityInfoManage/addCity", {
              cityNumber: this.addForm.cityNumber[1],
              size: this.pageSize,
            });
          } else {
            this.$message({
              message: "请检查输入的内容是否合规",
              type: "warning",
            });
            return false;
          }
        });
      },
      // 删除城市
      handleDeletecity(cityId, cityName) {
        this.$confirm(
          `确定要删除“${cityName}”的相关信息吗？该操作会同时删除该城市相关的医保政策`,
          "提示",
          {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning",
          }
        )
          .then(() => {
            this.$store.dispatch("cityInfoManage/deleteCity", {
              cityId,
              pn: this.currentPage,
              size: this.pageSize,
              keyword: this.keyword,
            });
          })
          .catch(() => {
            this.$message({
              type: "info",
              message: "已取消删除",
            });
          });
      },
      // 每次关闭表单的时候重置表单
      handleAddClose() {
        this.$refs.addForm.resetFields();
      },
    },
    mounted() {
      this.getCityInfo(); // 首次渲染
    },
    computed: {
      ...mapGetters({
        tableData: "cityInfo",
      }), //后端返回的数据
      keyword: {
        get() {
          return this.keywordDefault;
        },
        set(val) {
          this.keywordDefault = val;
        },
      },
    },
  };
  </script>
  <style lang="less" scoped>
  @import "../../style/infoManage.less";
</style>